212675615697 has 16 divisors (see below), whose sum is σ = 287583454080. Its totient is φ = 139776067200.

The previous prime is 212675615689. The next prime is 212675615741. The reversal of 212675615697 is 796516576212.

It is not a de Polignac number, because 212675615697 - 2³ = 212675615689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212675615657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3518829 + ... + 3578757.

It is an arithmetic number, because the mean of its divisors is an integer number (17973965880).

Almost surely, 2^212675615697 is an apocalyptic number.

It is an amenable number.

212675615697 is a deficient number, since it is larger than the sum of its proper divisors (74907838383).

212675615697 is a wasteful number, since it uses less digits than its factorization.

212675615697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76664.

The product of its digits is 9525600, while the sum is 57.

The spelling of 212675615697 in words is "two hundred twelve billion, six hundred seventy-five million, six hundred fifteen thousand, six hundred ninety-seven".